--TEST-- Test ksort() function : object functionality - sort objects --FILE-- class_value = $value; } } // class declaration for string objects class StringObject { public $class_value; // initializing object member value function __construct($value){ $this->class_value = $value; } // return string value function __tostring() { return (string)$this->value; } } // array of integer objects $unsorted_int_obj = array ( 11 => new IntegerObject(11), 66 => new IntegerObject(66), 23 => new IntegerObject(23), -5 => new IntegerObject(-5), 1 => new IntegerObject(0.001), 0 => new IntegerObject(0) ); // array of string objects $unsorted_str_obj = array ( "axx" => new StringObject("axx"), "t" => new StringObject("t"), "w" => new StringObject("w"), "py" => new StringObject("py"), "apple" => new StringObject("apple"), "Orange" => new StringObject("Orange"), "Lemon" => new StringObject("Lemon"), "aPPle" => new StringObject("aPPle") ); echo "\n-- Testing ksort() by supplying various object arrays, 'flag' value is default --\n"; // testing ksort() function by supplying integer object array, flag value is default $temp_array = $unsorted_int_obj; var_dump(ksort($temp_array) ); var_dump($temp_array); // testing ksort() function by supplying string object array, flag value is default $temp_array = $unsorted_str_obj; var_dump(ksort($temp_array) ); var_dump($temp_array); echo "\n-- Testing ksort() by supplying various object arrays, 'flag' value is SORT_REGULAR --\n"; // testing ksort() function by supplying integer object array, flag value = SORT_REGULAR $temp_array = $unsorted_int_obj; var_dump(ksort($temp_array, SORT_REGULAR) ); var_dump($temp_array); // testing ksort() function by supplying string object array, flag value = SORT_REGULAR $temp_array = $unsorted_str_obj; var_dump(ksort($temp_array, SORT_REGULAR) ); var_dump($temp_array); echo "Done\n"; ?> --EXPECTF-- *** Testing ksort() : object functionality *** -- Testing ksort() by supplying various object arrays, 'flag' value is default -- bool(true) array(6) { [-5]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(-5) } [0]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(0) } [1]=> object(IntegerObject)#%d (1) { ["class_value"]=> float(0.001) } [11]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(11) } [23]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(23) } [66]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(66) } } bool(true) array(8) { ["Lemon"]=> object(StringObject)#%d (1) { ["class_value"]=> string(5) "Lemon" } ["Orange"]=> object(StringObject)#%d (1) { ["class_value"]=> string(6) "Orange" } ["aPPle"]=> object(StringObject)#%d (1) { ["class_value"]=> string(5) "aPPle" } ["apple"]=> object(StringObject)#%d (1) { ["class_value"]=> string(5) "apple" } ["axx"]=> object(StringObject)#%d (1) { ["class_value"]=> string(3) "axx" } ["py"]=> object(StringObject)#%d (1) { ["class_value"]=> string(2) "py" } ["t"]=> object(StringObject)#%d (1) { ["class_value"]=> string(1) "t" } ["w"]=> object(StringObject)#%d (1) { ["class_value"]=> string(1) "w" } } -- Testing ksort() by supplying various object arrays, 'flag' value is SORT_REGULAR -- bool(true) array(6) { [-5]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(-5) } [0]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(0) } [1]=> object(IntegerObject)#%d (1) { ["class_value"]=> float(0.001) } [11]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(11) } [23]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(23) } [66]=> object(IntegerObject)#%d (1) { ["class_value"]=> int(66) } } bool(true) array(8) { ["Lemon"]=> object(StringObject)#%d (1) { ["class_value"]=> string(5) "Lemon" } ["Orange"]=> object(StringObject)#%d (1) { ["class_value"]=> string(6) "Orange" } ["aPPle"]=> object(StringObject)#%d (1) { ["class_value"]=> string(5) "aPPle" } ["apple"]=> object(StringObject)#%d (1) { ["class_value"]=> string(5) "apple" } ["axx"]=> object(StringObject)#%d (1) { ["class_value"]=> string(3) "axx" } ["py"]=> object(StringObject)#%d (1) { ["class_value"]=> string(2) "py" } ["t"]=> object(StringObject)#%d (1) { ["class_value"]=> string(1) "t" } ["w"]=> object(StringObject)#%d (1) { ["class_value"]=> string(1) "w" } } Done